About: http://webisa.webdatacommons.org/63013075

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	FIG. 7a is a cut-away side view of a twistable retractor 112 in a straight position.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr